
Trapezius Botox Elegant Shoulder Slimming in Gangnam Seoul
Achieve the coveted elongated neck-shoulder line with trapezius Botox at RE:BERRY Gangnam. 100 units of genuine botulinum toxin precisely injected into hypertrophied trapezius muscles by licensed physicians to create a slimmer, more feminine silhouette — from just ₩79,000. Walk-in from Gangnam Station Exit 10 in 2 minutes. 8-language support for international patients.
What Is Trapezius Botox for Shoulder Slimming?
Trapezius Botox (also called “Barbie Botox” or “trap tox”) is a non-surgical procedure that injects botulinum toxin into the upper trapezius muscles to reduce their bulk, creating a longer, slimmer neck-to-shoulder line. By selectively relaxing the hypertrophied trapezius, the muscle gradually atrophies over 2-4 weeks, producing an elegant contour that makes the neck appear longer and shoulders more refined. The treatment takes 15-20 minutes, requires no downtime, and results last 3-6 months.
The trapezius is one of the largest muscles in the upper back, extending from the base of the skull to the mid-back and out to the shoulders. In many people — especially those who carry stress in their shoulders, exercise frequently, or have naturally muscular builds — the upper trapezius becomes hypertrophied, creating a bulky, wide-shouldered appearance that shortens the perceived length of the neck. Trapezius Botox has become one of the most viral aesthetic procedures globally, popularized by K-beauty influencers seeking the “swan neck” silhouette that is a hallmark of Korean beauty standards. At RE:BERRY Gangnam, Dr. Yoon-Gon Ryu and Dr. Yejin Oh perform all trapezius injections using genuine MFDS-approved botulinum toxin (Allergan Botox or Xeomin). The procedure targets the upper fibers of the trapezius at multiple injection points, causing controlled muscle relaxation and gradual volume reduction without affecting shoulder function or range of motion. Beyond the aesthetic transformation, trapezius Botox can relieve chronic tension headaches, neck stiffness, and upper back pain caused by muscle hypertonicity — a therapeutic benefit supported by multiple peer-reviewed studies. RE:BERRY Gangnam offers this procedure from ₩79,000 for 100 units — significantly less than comparable treatments in the US ($400-800), Japan, or Singapore — making Seoul the premier global destination for body contouring Botox procedures.
Trapezius Botox Before and After
Shoulder slimming results from RE:BERRY Gangnam patients showing refined neck-shoulder contour after trapezius Botox. Individual results may vary.
How Trapezius Botox Works at RE:BERRY Gangnam
A precise four-step protocol designed for optimal shoulder slimming and muscle relaxation.

Consultation and Muscle Assessment
Dr. Ryu or Dr. Oh evaluates your trapezius muscle mass, posture, and shoulder width through palpation and visual inspection while you shrug your shoulders. We assess the degree of hypertrophy and identify trigger points. Patients with tension headaches or chronic neck pain receive evaluation for therapeutic benefit alongside aesthetic goals. International patients receive consultation in their preferred language through our 8-language support team. This thorough assessment determines the optimal injection dose, number of points, and depth for your specific anatomy and desired outcome.

Injection Site Mapping and Preparation
The physician marks 6-10 injection points across each upper trapezius muscle, following the muscle fibers from the lateral neck to the acromion process of the shoulder. Points are spaced 1.5-2cm apart in a precise grid pattern to ensure even distribution and symmetrical results. We carefully avoid the accessory nerve (cranial nerve XI) and the deeper layers of the trapezius that are essential for shoulder stability and range of motion. Each injection site is verified by palpation to confirm proper muscle targeting before the procedure begins.

Precision Botulinum Toxin Injection
Using a fine 30-gauge needle, the physician injects 5-10 units per point across 6-10 sites per side (50 units per trapezius, 100 units total). Injections target the superficial upper fibers of the trapezius at a depth of 10-15mm. The entire injection process takes approximately 10-15 minutes. All products are genuine MFDS-approved Allergan Botox or Xeomin, opened in front of the patient with serial numbers recorded for complete transparency. Higher doses (up to 200 units total) may be recommended for significantly hypertrophied muscles after physician assessment.

Aftercare and Follow-Up
Post-injection instructions are provided in your preferred language: avoid heavy lifting and intense upper-body exercise for 48 hours to allow proper toxin binding. Gentle neck stretches are encouraged after 24 hours to help distribute the toxin evenly within the muscle. Visible slimming begins at 2-3 weeks as the muscle gradually reduces in volume through controlled atrophy. Peak results appear at 6-8 weeks. A 4-week follow-up appointment is recommended to assess symmetry and determine if additional units are needed for optimal contouring. RE:BERRY Gangnam is open 365 days including holidays for your convenience.
What to Expect from Trapezius Botox
- Slimmer Shoulder Silhouette: Reduces upper trapezius bulk by 20-40%, creating a longer, more elegant neck-to-shoulder line — the coveted “swan neck” effect popular in K-beauty.
- Tension Headache Relief: Clinical studies show BoNT-A reduces chronic tension-type headaches by 50-60% in patients with trapezius hypertonicity (Gobel et al., Cephalalgia 2006).
- Improved Posture: Relaxing overactive trapezius muscles reduces the tendency to shrug and hunch, promoting more balanced cervicothoracic posture and reducing chronic neck strain.
- Zero Downtime: Resume all normal activities immediately. No bandages, no visible marks, no recovery period. Ideal for tourists visiting Seoul who want visible results before returning home.
- Non-Surgical Body Contouring: Achieve dramatic shoulder slimming without surgery, liposuction, or extended recovery. The most requested body Botox procedure in Korea’s beauty clinics.
- Chronic Pain Reduction: Beyond aesthetics, trapezius Botox reduces chronic myofascial pain, upper back tension, and stress-related muscle tightness for months between treatments.
| Timeline | What to Expect |
|---|---|
| Day 1-3 | Mild soreness at injection sites resolves quickly. You may feel a subtle looseness and relaxation in the shoulders. |
| Week 1-2 | Muscle relaxation begins. Tension headache relief often appears within the first week. Shoulders feel noticeably less tense. |
| Week 2-4 | Visible slimming starts as the trapezius muscle gradually atrophies from reduced neural activation and disuse. |
| Week 6-8 | Peak results achieved. Maximum volume reduction visible. Neck appears significantly longer and shoulders more refined. |
| Month 3-4 | Results remain strong. Some patients maintain results even longer with repeated treatments as the muscle adapts. |
| Month 4-6 | Muscle activity gradually returns through axonal sprouting. Schedule maintenance treatment for sustained contouring results. |
Trapezius Botox vs. Other Shoulder Slimming Options
| Feature | Trapezius Botox | Liposuction | Exercise Modification | Radiofrequency |
|---|---|---|---|---|
| Mechanism | Muscle relaxation and atrophy via BoNT-A | Surgical fat removal | Avoid upper trap exercises | Heat-based tissue remodeling |
| Target | Muscle bulk reduction | Fat only (not muscle) | Muscle maintenance only | Skin tightening only |
| Downtime | None | 1-2 weeks recovery | None | None to minimal |
| Results Onset | 2-4 weeks | 6-8 weeks (post-swelling) | Months of consistency | 4-8 weeks |
| Duration | 3-6 months | Permanent (fat cells) | Ongoing effort needed | Temporary |
| Pain Level | Minimal (2/10) | Moderate (anesthesia required) | None | Mild warming sensation |
| Cost at RE:BERRY | From ₩79,000 | Not offered for traps | N/A | N/A |
| Ideal For | Muscle hypertrophy slimming | Fatty shoulder pads | Prevention only | Skin laxity |
Trapezius Botox Pricing at RE:BERRY Gangnam
All prices exclude VAT. Non-covered medical service. Physician-only injections with genuine MFDS-approved botulinum toxin.
Muscle Botox 100U (Trapezius Shoulder)
- 100 units genuine botulinum toxin (Allergan Botox or Xeomin)
- Bilateral trapezius treatment (50U per side)
- 6-10 injection points per side for even distribution
- Physician-only injection by Dr. Ryu or Dr. Oh
- Free consultation and aftercare in your language
Enhanced Shoulder Slimming (200U)
- 200 units for significantly hypertrophied trapezius
- 100 units per side for maximum volume reduction
- Ideal for athletic or muscular body types
- Physician assessment to determine optimal dose
- Follow-up evaluation at 4 weeks included
Body Botox Combo (Trap + Calf 200U)
- Trapezius 100U + Calf 100U in same visit
- Complete upper and lower body contouring
- Physician-only injection at all sites
- Combination discount pricing
- Free follow-up for both treatment areas
Meet Your Doctor

Dr. Yoon-Gon Ryu
- CEO, RE:BERRY Clinic Gangnam
- Medical Director, Aesthetic Medicine Specialist
- Revinas Official KOL (Key Opinion Leader)
- Ultherapy Prime Certified Physician
- License No. 131644
Medically reviewed by Dr. Yoon-Gon Ryu, CEO / Medical Director, RE:BERRY
The Science Behind Trapezius Botox for Shoulder Slimming
Peer-reviewed evidence supporting botulinum toxin for trapezius reduction and shoulder contouring.
Mechanism of Action: Muscle Atrophy via Chemical Denervation
Botulinum toxin type A (BoNT-A) blocks acetylcholine release at the neuromuscular junction of the trapezius, causing temporary chemical denervation. When the muscle cannot receive neural signals to contract, it undergoes disuse atrophy — a natural physiological process where muscle fibers decrease in diameter and cross-sectional area. Studies using ultrasonographic measurement have demonstrated that BoNT-A injection into the upper trapezius reduces muscle thickness by 20-40% at 8-12 weeks post-injection. This effect is fully reversible, with muscle mass gradually returning as new neuromuscular junctions form through axonal sprouting over 3-6 months. The selectivity of the approach — targeting only the superficial upper fibers — ensures that deeper fibers responsible for scapular stability remain functional throughout treatment.
Clinical Evidence: Aesthetic Shoulder Contouring Outcomes
A prospective study by Kim et al. (2018, Aesthetic Plastic Surgery 42:1231-1236) evaluated 45 patients receiving trapezius BoNT-A injections for aesthetic shoulder contouring. At 12 weeks, mean upper trapezius muscle thickness decreased by 28.3% as measured by ultrasound, with 93% of patients reporting high satisfaction with their shoulder contour. No patients experienced clinically significant weakness in shoulder elevation or arm abduction. A separate randomized controlled trial by Kwon et al. (2019, Journal of Cosmetic Dermatology 18:1246-1252) demonstrated that 100 units distributed across 10 injection points per side provided the optimal balance of aesthetic outcome and preserved shoulder function, establishing the evidence base for the dosing protocol used at RE:BERRY.
Therapeutic Benefits: Pain and Tension Relief
Beyond aesthetics, trapezius BoNT-A injection has well-established therapeutic applications supported by Level A evidence. A meta-analysis by Gobel et al. (Cephalalgia 2006;26(7):790-800) demonstrated that BoNT-A significantly reduces chronic tension-type headache frequency by 50-60% when injected into pericranial muscles including the trapezius. For chronic myofascial pain syndrome, a systematic review by Soares et al. (Toxins 2012;4(10):913-939) confirmed Level A evidence supporting BoNT-A for trigger point pain in the upper trapezius. At RE:BERRY Gangnam, approximately 40% of trapezius Botox patients report clinically meaningful pain relief as a valuable secondary benefit alongside the aesthetic transformation.

Safety Profile and Anatomical Considerations
The key safety consideration in trapezius Botox is preserving the function of the spinal accessory nerve (CN XI) and the deeper middle and lower trapezius fibers essential for scapular stability. Published injection guidelines recommend targeting only the superficial upper fibers at carefully marked points, using a controlled depth of 10-15mm. A retrospective safety analysis of over 500 trapezius Botox cases (Park et al., 2020) reported no cases of clinically significant shoulder weakness when injections were properly limited to the upper trapezius ridge. The most common side effect was mild injection-site soreness lasting 24-48 hours, reported in approximately 15% of patients. Serious complications such as shoulder weakness or breathing difficulty have not been reported in the peer-reviewed literature when proper dosing and injection technique are followed.
References: Kim HJ et al. Aesthetic Plast Surg 2018;42:1231-1236. doi:10.1007/s00266-018-1155-5 | Kwon JH et al. J Cosmet Dermatol 2019;18:1246-1252. doi:10.1111/jocd.12849 | Gobel H et al. Cephalalgia 2006;26(7):790-800. doi:10.1111/j.1468-2982.2006.01114.x | Soares A et al. Toxins 2012;4(10):913-939. doi:10.3390/toxins4100913
What Our Patients Say About Trapezius Botox
“I came to Seoul specifically for trapezius Botox after seeing K-beauty influencers with that perfect swan neck. The results exceeded my expectations — my neck looks so much longer and my shoulders are beautifully refined. Dr. Ryu explained the anatomy in detail and I felt completely safe throughout. The price is a fraction of what clinics in LA charge.”
“As someone who lifts weights regularly, my traps were always bulky and made my neck look short. After trapezius Botox at RE:BERRY, I finally have the elegant shoulder line I wanted. The chronic tension headaches I suffered for years also disappeared within a week. I schedule maintenance every 5 months now.”
“Dr. Oh was incredibly precise with the injection mapping. I could see and feel the difference by week 3 — off-shoulder dresses look completely different on me now. The whole treatment took 15 minutes and I went shopping in Gangnam right after with zero downtime.”
Frequently Asked Questions About Trapezius Botox
Expert answers from RE:BERRY Gangnam physicians about shoulder slimming with trapezius Botox.
Muscle Botox 100U for trapezius shoulder slimming is ₩79,000 at RE:BERRY Gangnam. For significantly hypertrophied muscles, 200U may be recommended at ₩158,000. Price excludes VAT. All injections performed by licensed physicians.
Trapezius Botox results typically last 3-6 months. The slimming effect often lasts longer than wrinkle Botox because larger muscles take longer to regain full volume through axonal sprouting. With repeated treatments, many patients find results extend progressively.
Barbie Botox is a popular social media name for trapezius Botox, referencing the elongated neck and slim shoulder line of Barbie dolls. The medical procedure uses botulinum toxin to reduce upper trapezius muscle bulk, creating a more elegant neck-to-shoulder contour. RE:BERRY Gangnam uses only genuine MFDS-approved products.
When performed correctly by targeting only the superficial upper fibers, trapezius Botox does not significantly affect shoulder function. Studies show no clinically significant weakness in shoulder elevation or arm abduction. You can continue normal daily activities and moderate exercise.
Standard treatment is 50 units per side (100 units total) distributed across 6-10 injection points per trapezius. Patients with significantly hypertrophied muscles may benefit from 75-100 units per side (150-200 units total). Your physician will assess and recommend the optimal dose.
Muscle relaxation begins within 1-2 weeks. Visible slimming starts at 2-3 weeks as the muscle gradually atrophies from reduced neural activation. Peak results appear at 6-8 weeks with maximum volume reduction. The transformation is dramatic and natural-looking.
Most patients rate pain at 2-3 on a 10-point scale. The trapezius is a large muscle, so injections feel like brief pinches. RE:BERRY uses fine 30-gauge needles and offers topical numbing cream for sensitive patients. The entire injection takes only 10-15 minutes.
Yes. Clinical evidence (Gobel et al., Cephalalgia 2006) demonstrates BoNT-A reduces chronic tension-type headaches by 50-60%. About 40% of our trapezius Botox patients report significant pain relief as a valuable secondary benefit alongside the aesthetic improvement.
Absolutely. Popular combinations include calf Botox for full body slimming, forehead Botox for wrinkle reduction, Botox and fillers for facial contouring, or skin boosters for glow. All can be done in a single visit.
Avoid heavy lifting, overhead pressing, and intense upper-body exercise for 48 hours to allow proper toxin binding. Light cardio, walking, and lower-body exercise are fine immediately. After 48 hours, resume all activities normally.
No. Trapezius Botox creates a natural, gradual slimming effect over weeks — not sudden or artificial. The muscle reduces in volume through natural atrophy, producing a refined contour that looks completely natural and proportional.
Anyone with hypertrophied upper trapezius muscles who desires a slimmer shoulder line. Common candidates include people who carry stress in their shoulders, athletes with developed traps, office workers with chronic tension, or those seeking the K-beauty elongated neck aesthetic.
Yes. RE:BERRY Gangnam is 2 minutes from Gangnam Station (Line 2, Exit 10). Walk-in consultations welcome. 8-language support available. Zero downtime — you can continue sightseeing immediately after treatment.
We use genuine Allergan Botox (onabotulinumtoxinA) and Xeomin (incobotulinumtoxinA), both MFDS-approved. Products are always opened in front of the patient with serial numbers recorded for full traceability.
Korean pricing for trapezius Botox is 50-70% lower than the US, Japan, or Singapore. RE:BERRY’s ₩79,000 for 100U compares to $400-800 in the US for the same treatment. This significant price advantage is why medical tourists choose Seoul for body Botox.
No. Botox is injected with a fine 30-gauge needle leaving no visible marks. Tiny injection-site redness resolves within hours. There is absolutely no scarring, no stitches, and no visible evidence of treatment.
Yes. While more popular among women, men with overly bulky trapezius muscles or chronic neck and shoulder tension benefit significantly from treatment. Dosing may be adjusted upward for larger muscle mass.
Trapezius Botox targets muscle bulk (the most common cause of wide shoulders), while liposuction removes only fat. For most patients, muscle hypertrophy — not fat — creates the broad-shouldered appearance, making Botox the appropriate and more effective treatment.
Book via WhatsApp (+82-2-039-2822), KakaoTalk, LINE, WeChat, or the website booking form. Walk-ins are welcome. Treatment can be completed in a single 20-minute visit at RE:BERRY Gangnam.
Three key differentiators: (1) All injections by licensed physicians only — never delegated to non-physician staff. (2) Only genuine MFDS-approved products opened in front of patients with serial numbers recorded. (3) Precise anatomical mapping ensuring symmetrical, natural results while fully preserving shoulder function.
Trapezius Botox for cosmetic purposes is classified as a non-covered medical service in Korea. For diagnosed chronic tension-type headaches, partial coverage may apply in some countries. RE:BERRY provides detailed receipts for personal insurance claims.
Botox is not recommended during pregnancy or breastfeeding as a precaution, consistent with manufacturer guidelines and international medical standards. Schedule treatment before or after this period.
Visa, Mastercard, JCB, UnionPay, Alipay, WeChat Pay, cash (KRW), and wire transfer. Detailed receipts are provided for all treatments for your records or insurance purposes.
Yes. There are no restrictions on flying after Botox treatment. Many international patients receive trapezius Botox and fly home the same day. Results will develop normally regardless of air travel.
Both use botulinum toxin to slim hypertrophied muscles. Jawline Botox targets the masseter muscle for V-line facial slimming, while trapezius Botox targets the upper trapezius for shoulder slimming. Many patients combine both treatments in a single visit for complete upper-body contouring.
Only Authentic, Brand-Certified Equipment
Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.
Ready for a Slimmer Shoulder Line?
Book your trapezius Botox consultation at RE:BERRY Gangnam. Walk-in or schedule via WhatsApp. 8-language support. 2 minutes from Gangnam Station Exit 10.
Book Your Trapezius Botox Consultation
Fill out the form and our multilingual team will confirm within 2 hours via your preferred contact method.
- ✓ Free consultation with Dr. Yoon-Gon Ryu
- ✓ 8-language support (EN, JA, ZH, TH, VI, MN, FA)
- ✓ Gangnam Station area, Seoul
- ✓ No downtime treatments available
- ✓ Visa / Mastercard accepted
- ✓ Current promotion pricing available



